- The
Chadronian age
within the
North American Land
Mammal Ages
chronology is the
North American faunal stage typically set from 38,000,000 to 33,900,000...
- In
North America,
ursids (bears) and
musteloids first appeared in the
Chadronian[citation needed] of the late Eocene, and in early-Oligocene Europe, immediately...
- species. The
oldest squirrel fossil, Hesperopetes,
dates back to the
Chadronian (late Eocene,
about 40–35
million years ago) and is
similar to modern...
-
species Calyptapis florissantensis. It is
known only from the Late
Eocene Chadronian age
shales of the
Florissant Formation in Colorado. The
genus and species...
-
fossil species, V. amerindica, is
known from a
specimen found in the
Chadronian-aged
Florissant Lagerstatte, from Late
Eocene Colorado, and coexisted...
-
holotype specimen of
Menodus giganteus, and the "insoluble"
problem of
Chadronian brontothere taxonomy". New
Mexico Museum of
Natural History and Science...
-
North America.
Coming from the
Paleogene period fossils have been
found Chadronian through Whitneyan of the
northern Great Plains of
United States and southern...
-
Pocket gophers Temporal range:
Chadronian–present PreꞒ Ꞓ O S D C P T J K Pg N Botta's
pocket gopher (Thomomys bottae)
Scientific classification Domain:...
-
species of brush-footed butterfly,
known from a
single specimen from the
Chadronian-aged
Florissant Shale Lagerstätte of Late
Eocene Colorado. P. ****phone...
-
florissantensis was
described by
Theodore Dru
Alison ****erell in 1906 from the
Chadronian (Eocene)
lacustrine –
large shale of
Florissant in the US. Oligobombus...
